Add tab persistence support for CustomTabs.

chrome/android/java/src/org/chromium/chrome/browser/tab/Tab.java

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 package org.chromium.chrome.browser.tab;
 
 import android.app.Activity;
 import android.app.Application;
 import android.content.Context;
 import android.content.Intent;
@@ skipping 1607 matching lines @@
         mTopControlsVisibilityDelegate = mDelegateFactory.createTopControlsVisibilityDelegate(this);
         setInterceptNavigationDelegate(mDelegateFactory.createInterceptNavigationDelegate(this));
         getAppBannerManager().setIsEnabledForTab(mDelegateFactory.canShowAppBanners(this));
 
         // Reload the NativePage (if any), since the old NativePage has a reference to the old
         // activity.
         maybeShowNativePage(getUrl(), true);
 
         reparentingParams.finalizeTabReparenting();
         mIsDetachedForReparenting = false;
+        mIsTabStateDirty = true;
 
         for (TabObserver observer : mObservers) {
             observer.onReparentingFinished(this);
         }
     }
 
     /**
      * @return Whether the tab is detached from its Activity and {@link WindowAndroid} for
      * reparenting. Certain functionalities will not work until it is attached to a new activity
      * with {@link Tab#attachAndFinishReparenting(
@@ skipping 1693 matching lines @@
     private native void nativeSetInterceptNavigationDelegate(long nativeTabAndroid,
             InterceptNavigationDelegate delegate);
     private native void nativeAttachToTabContentManager(long nativeTabAndroid,
             TabContentManager tabContentManager);
     private native void nativeAttachOverlayWebContents(
             long nativeTabAndroid, WebContents webContents, boolean visible);
     private native void nativeDetachOverlayWebContents(
             long nativeTabAndroid, WebContents webContents);
     private native boolean nativeHasPrerenderedUrl(long nativeTabAndroid, String url);
 }